| 2024-01-09 | Sale | Costco Wholesale Corporation COST | 1,400 0.0003% | $662.30 | $927,220 | +10.04% | ||
| 2023-12-28 | Sale | Costco Wholesale Corporation COST | 1,400 0.0003% | $662.81 | $927,934 | +10.21% | ||
| 2022-04-08 | Sale | Costco Wholesale Corporation COST | 4,498 0.001% | $603.00 | $2.71M | -17.48% | ||
| 2020-06-05 | Sale | Costco Wholesale Corporation COST | 5,000 0.0011% | $309.31 | $1.55M | +17.4% | ||
| 2019-10-23 | Sale | Costco Wholesale Corporation COST | 5,000 0.0011% | $298.46 | $1.49M | +3.73% | ||
| 2019-06-07 | Sale | Costco Wholesale Corporation COST | 12,000 0.0027% | $252.60 | $3.03M | +16.29% | ||
| 2018-06-13 | Sale | Costco Wholesale Corporation COST | 14,000 0.0032% | $204.67 | $2.87M | +11.94% | ||
| 2018-01-08 | Sale | Costco Wholesale Corporation COST | 10,000 0.0023% | $188.62 | $1.89M | +10.72% | ||
| 2017-06-06 | Sale | Costco Wholesale Corporation COST | 10,000 0.0023% | $181.32 | $1.81M | +0.48% |